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  • Ingeniator's Avatar
    Today, 11:26 PM
    RCFAs are good but only as accurate as the data you can put into it. I doubt it's a design flaw so that takes out the T. Leaves the M for maintenance and P for Operating it right.
    145 replies | 2765 view(s)
  • MM Performance's Avatar
    Today, 11:24 PM
    breaking through the middle like that indicates an overstress failure from operational stresses (burst) and also the break surfaces look pretty brittle in nature, not much ductility on the failure surfaces.
    145 replies | 2765 view(s)
  • MM Performance's Avatar
    Today, 11:21 PM
    Wow, some interesting data posted. thanks for adding to the discussion. Still need to see BW's root cause engineering analysis of the failure before jumping to conclusion of Ti vs Inconel, but this doesn't look good.... especially if others are seeing similar failures...
    145 replies | 2765 view(s)
  • richpike's Avatar
    Today, 11:19 PM
    -Rich
    2499 replies | 166619 view(s)
  • Abacus38's Avatar
    Today, 11:06 PM
    I'm guessing the car makes a lot more power on lower boost settings then?
    163 replies | 4446 view(s)
  • AdminTeam's Avatar
    Today, 11:05 PM
    Hey Niner49: :text-welcomewave:
    0 replies | 0 view(s)
  • subaru335i's Avatar
    Today, 11:03 PM
    Also this isn't the first EFR turbine failure I have seen.
    145 replies | 2765 view(s)
  • subaru335i's Avatar
    Today, 11:01 PM
    It was in a Subaru yes but a different one than has been posted here. e85 and 31psi. He is sure there wasn't a boost leak to overspin it but no EGT or speed sensor to verify. Most likely a manufacturers defect but still. if this had been a PTE exhaust housing it might not have contained it so at least BW complies with OEM burst specifications. No way would inconel do this. It will deform and not shatter like that.
    145 replies | 2765 view(s)
  • Ingeniator's Avatar
    Today, 10:47 PM
    E85 or racegas? He monitor EGT or TIT. This is your buddies Subaru?
    145 replies | 2765 view(s)
  • subaru335i's Avatar
    Today, 10:41 PM
    On another note, here are some pics of a friend's Borg Warner EFR 9180... This is a fancy Ti Al turbine and it happened after only 3k miles. The engine didn't spit anything out to destroy the turbine either, it runs fine since this happened. It was apparently just spontaneously after a normal pull at only mid 30's psi... He is going to contact BW to see if they will help but this makes me question the durability of Ti Al turbines even if they are super light...
    145 replies | 2765 view(s)
  • Tony@VargasTurboTech's Avatar
    Today, 10:35 PM
    This is a true return style system. Fuel pressure is set at regulator, and it kept at set pressure by bypassing fuel back to the tank. Not a single stock piece remains in place except for the buckets themselves basically.
    163 replies | 4446 view(s)
  • subaru335i's Avatar
    Today, 10:24 PM
    I assume they just changed tooling. They can always set it up again and make another N55 production run.
    145 replies | 2765 view(s)
  • Ingeniator's Avatar
    Today, 10:24 PM
    Still not clear on this so. The excess fuel under low load goes back to the tank. As with a true regulated return on a port car?
    163 replies | 4446 view(s)
  • AdminTeam's Avatar
    Today, 09:58 PM
    Welcome CorneliusH, take a look around, I think you will like what you see.
    0 replies | 3 view(s)
  • Tony@VargasTurboTech's Avatar
    Today, 09:46 PM
    No thanks, we tested stage 3 on a stock motor. Getting a built motor to run properly has to happen sometime. We might as do what we do, and innovate on the platform, so people can follow our footsteps.
    163 replies | 4446 view(s)
  • Tony@VargasTurboTech's Avatar
    Today, 09:43 PM
    Our custom LPFP set up shows the best LPFP stability we have seen of any set up to date. Absolutely zero lpfp issues. All fuel issues seem to stem from the head flowing so much more air the amount of fuel required it huge, we are close to 50% over normal E85 scaler right now to keep the car happy. We are also getting swings in trims from bank 1-2, and the car will randomly drop into open loop and cut fuel at the top of run. No consistency, just random events. We're working our way through them, trying to make heads or tails.
    163 replies | 4446 view(s)
  • _ink's Avatar
    Today, 09:34 PM
    Are these vacuum related discussions also applicable to uograded Twins (RB's) with uograded inlet pipes (TFT's)?
    239 replies | 4729 view(s)
  • AdminTeam's Avatar
    Today, 09:33 PM
    Welcome to a real enthusiast forum SlimE92.
    0 replies | 3 view(s)
  • fastgti69's Avatar
    Today, 09:31 PM
    LOL, #Payamssiter
    362 replies | 17731 view(s)
  • klipseracer's Avatar
    Today, 09:28 PM
    Should have just ran the stock engine into the ground first then upgraded to a built motor. Not that the built motor is a bad thing, but incremental upgrades can be the best way to move forward. You may feel like you end up saving steps by pulling the engine once but when you end up going backwards to fix problems you're spending more time.
    163 replies | 4446 view(s)
  • BostonBeemah's Avatar
    Today, 08:43 PM
    :laughing-rofl:Well that escalated quickly
    362 replies | 17731 view(s)
  • Ingeniator's Avatar
    Today, 08:38 PM
    What is the current LP side setup. Does low load on the DBB cause fuel heating from the re circulation. Or is that fuel flushed away by a return line?
    163 replies | 4446 view(s)
  • AdminTeam's Avatar
    Today, 08:33 PM
    Welcome AdriannaDi, take a look around, I think you will like what you see.
    0 replies | 6 view(s)
  • Tony@VargasTurboTech's Avatar
    Today, 08:26 PM
    Almost all are fuel related
    163 replies | 4446 view(s)
  • MM Performance's Avatar
    Today, 08:04 PM
    Thank you for the kind words Terry, they are very appreciated, especially coming from a fellow mechanical engineer. I do my best to always put my customer and their needs first. I feel a huge responsibility to them and the commitments I make to them once they send me their money and do everything possible to meet or exceed their expectations and then answer any emails as quickly as possible whether before a purchase or after. I stayed up until 2 am last night preparing 7 kits and packaging them just to beat my delivery dates quoted to the customers. I saw your other posts and hope you stick around to add good technical input where it is needed and to push forward on solutions together :) Regards, -Mauricio ;)
    7 replies | 466 view(s)
  • UK M3's Avatar
    Today, 07:56 PM
    UK M3 replied to a thread S54: Help with engine build in S54 and M54
    Maybe so. What manifolds? Mine are custom fabricated. You do realise my car is RHD?
    96 replies | 3441 view(s)
  • Jduke's Avatar
    Today, 07:52 PM
    I'm glad you got it fixed :)
    4 replies | 92 view(s)
  • Abacus38's Avatar
    Today, 07:51 PM
    What are some of issues?
    163 replies | 4446 view(s)
  • terryd5150's Avatar
    Today, 07:37 PM
    Hi Slicksilver: As a fellow mechanical engineer, I admire your work. Please continue your efforts to make the performance of this platform more accessible to all those involved. Best Regards. Terry
    7 replies | 466 view(s)
  • terryd5150's Avatar
    Today, 07:18 PM
    Hi Tony: I agree the footage posted shows that upgraded wastegates don't come as a standard option on the RR500; but has anyone asked this customer, or even the manufacturer, if this is an option? Hexon's website suggests it may be. Again, perhaps this was lost in translation. Consider a "standard" set of VTT Stage 2+, for a brief moment. Someone who's not "in the know" might make the statement that VTT doesn't offer clipped 20T's when, correct me if I'm wrong, it is offered as an upgrade option. If I were so inclined (in this case, I'm not), I'd want to have these answers before I started spreading potentially false statements and damaging my credibility in the market. At the end of the day, if Hexon is indeed putting a substandard product in the market word will quickly spread; but, as vendors we should take the ethical approach and champion our products based on their performance, quality, and our customer support. Your product is light years ahead of theirs, I'm fairly certain that's common knowledge; take the high road and continue to push your products' performance even further ahead. Also, I agree that for you and I updating a website is a mere flick of the wrist away; however, keep in mind that in some parts of the world this is not the case. I've experienced this firsthand. As far as leaving your thread, if you're referring to me, I'll respect your right as a vendor and not participate in your threads; however, now that the cats out of the bag, I was going to leave some positive comments in some of the vendors' threads here - yours included. I'll wait for your reply before I proceed with any further actions in your threads. Best Regards. Terry
    91 replies | 1781 view(s)
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